Home / 36,982,247.28-51,032,729.88-20,681,574

Finding the Fourth Proportional to 36,982,247.28, 51,032,729.88 and 20,681,574

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Solution

The fourth proportional to 36,982,247.28, 51,032,729.88 and 20,681,574 is: 28,539,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982,247.28 : 51,032,729.88 = 20,681,574 : x
  2. Step 2: Convert to fraction form
    36,982,247.28/51,032,729.88 = 20,681,574/x
  3. Step 3: Cross multiply
    36,982,247.28x = 51,032,729.88 × 20,681,574
  4. Step 4: Simplify right side
    36,982,247.28x = 1,055,437,179,435,231.12
  5. Step 5: Solve for x
    x = 1,055,437,179,435,231.12/36,982,247.28
  6. Step 6: Final answer
    x = 28,539,022.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.